Cutting device with scrap collecting function for automobile door manufacturing

By designing a cutting device with a debris collection function, the problem of debris splashing during cutting was solved, achieving safe and efficient debris collection and dust treatment, and improving the safety and cleanliness of the working environment.

CN223588405UActive Publication Date: 2025-11-25NANJING JINSHENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422826037.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-11-25
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The existing cutting equipment lacks a debris collection device, which causes metal debris to fly during cutting, posing a safety hazard.

Method used

A cutting device with debris collection function was designed, including an isolation device, a guide hopper, a collection box, a drawer, a T-shaped slide rail and a dust collection device. The isolation cover prevents debris from splashing, and the guide hopper and drawer are used for collection. The dust is handled by the dust collection device.

Benefits of technology

It effectively isolates and collects metal shavings generated during cutting, preventing splashing and improving safety. The dust is also handled by a vacuum cleaner, enhancing the cleanliness and safety of the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile door manufacturing, in particular to a cutting device with a scrap collecting function for automobile door manufacturing, which is convenient for isolating and collecting metal scraps generated by plate cutting and prevents workers from being injured due to scrap splashing. Comprising cutting equipment, a guide hopper, a collection box, a drawer, a drawer front plate, a first handle, two T-shaped plates, two T-shaped sliding rails and an isolation device, four supporting legs are arranged at the bottom end of the cutting equipment, a guide opening is formed in the middle of the cutting equipment in a communicating mode, the guide hopper is installed at the guide opening in the bottom end of the cutting equipment, and the output end of the guide hopper communicates with the top end of the collection box; the two sets of T-shaped sliding rails are installed on the lower left side and the lower right side in the collecting box correspondingly, the drawer front plate is installed at the front end of the drawer, the lower side of the front end of the collecting box communicates with an opening, the drawer is located at the opening of the collecting box, the first handle is installed at the front end of the drawer front plate, and the isolation device is installed at the top end of the cutting equipment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile door manufacturing, in particular to a cutting device with scrap collecting for automobile door manufacturing. BACKGROUND

[0002] The automobile door is one of the important components of the vehicle, which not only relates to the safety of passengers, but also affects the overall appearance and comfort of the vehicle. The design and manufacturing of the door need to consider multiple aspects, including safety, convenience, sealing, and aesthetics.

[0003] In the manufacturing process of the automobile door, the cutting device is one of the very important tools, which is used to cut the raw materials into the required shape and size. In order to ensure the cutting precision and efficiency, the cutting device needs to have high precision, high efficiency, and good stability.

[0004] However, the existing cutting device lacks a scrap collecting device. When cutting the plate, a large amount of metal scrap will be generated, which is inconvenient to collect and can splash during cutting, easily causing injury to the workers. INNOVATION CONTENT

[0005] To solve the above technical problems, the utility model provides a cutting device with scrap collecting for automobile door manufacturing, which is convenient for isolating and collecting the metal scrap generated during the cutting of the plate, and avoids the injury of the workers caused by the splashing of the scrap.

[0006] The cutting device with scrap collecting for automobile door manufacturing of the utility model, including cutting equipment, guide hopper, collection box, drawer, drawer front plate, first handle, two groups of T-shaped plates, two groups of T-shaped sliding rails and isolation device, the bottom end of cutting equipment is provided with four groups of supporting legs, the middle part of cutting equipment is provided with a guide inlet in communication, the guide hopper is installed at the guide inlet at the bottom end of cutting equipment, the output end of guide hopper is communicated with the top end of collection box, two groups of T-shaped sliding rails are installed at the left lower side and the right lower side in collection box respectively, two groups of T-shaped plates are installed at the left end and the right end of drawer respectively, two groups of T-shaped plates are slidably connected with two groups of T-shaped sliding rails respectively, the drawer front plate is installed at the front end of drawer, the front end of collection box is provided with an opening in communication, the drawer is located at the opening of collection box, the first handle is installed at the front end of drawer front plate, and the isolation device is installed at the top end of cutting equipment.

[0007] Preferably, the isolation device includes an isolation cover, a door, a second handle, a lock seat, a lock catch and a dust collection device. The isolation cover is installed at the top end of the cutting device, and the front end of the isolation cover is provided with an opening in communication. The door is rotatably installed at the opening of the isolation cover. The second handle and the lock seat are both installed at the right side of the front end of the door. The lock catch is installed at the right side of the front end of the isolation cover. The lock catch is matched and clamped with the lock seat. The dust collection device is installed at the top end of the isolation cover.

[0008] Preferably, the dust suction device comprises a dust suction hood, a dust guide pipe, a filter box, a coarse filter screen, a fine filter screen, a first mounting plate, a fan and a mounting device, the dust suction hood is mounted at the right top end of the isolation hood, the input end of the dust guide pipe is connected with the output end of the dust suction hood through the right top end of the isolation hood, the output end of the dust guide pipe is communicated with the lower right end of the filter box, the filter box is mounted at the top end of the isolation hood, the coarse filter screen and the fine filter screen are mounted in the filter box through the mounting device, the first mounting plate is mounted on the upper left end of the filter box, and the fan is mounted at the top end of the first mounting plate.

[0009] Preferably, the dust suction device further comprises a vibrating motor, and the vibrating motor is mounted at the outer end of the material guide hopper.

[0010] Preferably, the mounting device comprises a second mounting plate, a third handle, two groups of pin plates, four groups of vertical plates, two groups of bolts, two groups of first springs and two groups of pull handles, the top end of the filter box is provided with a mounting opening, the second mounting plate is mounted on the mounting opening of the filter box, the coarse filter screen and the fine filter screen are mounted on the bottom end of the second mounting plate, the third handle is mounted on the top end of the second mounting plate, the two groups of pin plates are respectively mounted on the left side and the right side of the top end of the second mounting plate, the four groups of vertical plates are respectively mounted on the left side and the right side of the top end of the filter box, the four groups of vertical plates and the two groups of pin plates are both provided with sliding holes, the two groups of bolts are respectively connected with the four groups of vertical plates in a sliding mode, the two groups of bolts are respectively matched with the two groups of pin plates in a clamping mode, the two groups of first springs are respectively sleeved on the two groups of bolts, one end of the two groups of first springs is connected with the two groups of bolts, the other end of the two groups of first springs is connected with the inner ends of the two groups of vertical plates, and the two groups of pull handles are respectively mounted on the top outer ends of the two groups of bolts.

[0011] Preferably, the dust suction device further comprises four groups of damping blocks, four groups of telescopic pipes, four groups of telescopic rods and four groups of second springs, the four groups of damping blocks are all provided with cavities, the four groups of supporting legs penetrate through the top ends of the four groups of damping blocks and extend into the cavities, the four groups of telescopic pipes are mounted at the bottom ends of the cavities of the four groups of damping blocks, the four groups of telescopic rods are connected with the four groups of telescopic pipes in a sliding mode, the four groups of telescopic rods are connected with the bottom ends of the four groups of supporting legs, and the four groups of second springs are sleeved on the four groups of telescopic rods.

[0012] Preferably, the dust suction device further comprises four groups of buffer pads, and the four groups of buffer pads are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the collecting box.

[0013] Preferably, an observation window is arranged on the door.

[0014] The utility model discloses a beneficial effect compared with prior art is: when cutting equipment cuts board, and the isolation device avoids the splashing of debris, and the debris is guided into the drawer in the collecting box through the material guide hopper, when needing to clean the debris in the drawer, the drawer front plate is driven to pull out outward through the first handle, and two groups of T-shaped plates slide on two groups of T-shaped slide rails, and the drawer is taken out in the collecting box, thereby dumping the metal debris in the drawer, by setting up this equipment, it is convenient to isolate and collect the metal debris generated when cutting board, and the splashing of debris is avoided to cause the injury of staff. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view structure schematic diagram of the utility model;

[0016] Figure 2 It is Figure 1 The section structure schematic diagram of the utility model;

[0017] Figure 3 It is Figure 2 The top view structure schematic diagram of the utility model;

[0018] Figure 4 It is the section enlarged structure schematic diagram of shock absorber block;

[0019] Figure 5 It is Figure 2 The enlarged structure schematic diagram of A in the utility model;

[0020] Figure 6 It is Figure 3 The enlarged structure schematic diagram of B in the utility model;

[0021] Mark in the drawing: 1, cutting equipment; 2, support leg; 3, material guide hopper; 4, collecting box; 5, drawer; 6, drawer front plate; 7, first handle; 8, T-shaped plate; 9, T-shaped slide rail; 10, isolation cover; 11, door; 12, second handle; 13, lock seat; 14, lock catch; 15, dust cover; 16, dust guide pipe; 17, filter box; 18, coarse filter screen; 19, fine filter screen; 20, first mounting plate; 21, fan; 22, vibration motor; 23, second mounting plate; 24, third handle; 25, pin plate; 26, vertical plate; 27, bolt; 28, first spring; 29, pull handle; 30, shock absorber block; 31, telescopic pipe; 32, telescopic rod; 33, second spring; 34, buffer pad; 35, observation window. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0023] As Figures 1 to 6As shown in the utility model discloses a cutting device for automobile door manufacturing with scrap collecting, cutting equipment 1, guide chute 3, collecting box 4, drawer 5, drawer front plate 6, first handle 7, two groups of T-shaped plate 8, two groups of T-shaped slide rail 9 and isolating device, cutting equipment 1 bottom end is provided with four groups of supporting leg 2, and the middle part of cutting equipment 1 is provided with the guide inlet in intercommunication, and the guide chute 3 is installed at the guide inlet of cutting equipment 1 bottom end, and the output end of guide chute 3 is communicated with the top end of collecting box 4, and two groups of T-shaped slide rail 9 are installed in the lower left side and the lower right side in collecting box 4 respectively, and two groups of T-shaped plate 8 are installed at the left end and the right end of drawer 5 respectively, and two groups of T-shaped plate 8 are slidably connected with two groups of T-shaped slide rail 9 respectively, and drawer front plate 6 is installed at the front end of drawer 5, and the front end of collecting box 4 is provided with an opening in intercommunication, and drawer 5 is located at the opening of collecting box 4, and first handle 7 is installed at the front end of drawer front plate 6, and isolating device is installed at the top end of cutting equipment 1;

[0024] When cutting equipment 1 cuts the plate, the isolating device avoids the scattering of scrap, and the scrap is guided into the drawer 5 in the collecting box 4 through the guide chute 3, when the scrap in the drawer 5 needs to be cleaned, the drawer front plate 6 is pulled out by the first handle 7, the two groups of T-shaped plate 8 slide on the two groups of T-shaped slide rail 9, and the drawer 5 is taken out in the collecting box 4, so that the metal scrap in the drawer 5 is poured out, by setting the equipment, the metal scrap generated by cutting the plate can be conveniently isolated and collected, and the staff is prevented from being injured by the scattering of scrap.

[0025] As a preferred embodiment of the above, the isolating device comprises an isolating cover 10, a door 11, a second handle 12, a lock seat 13, a lock catch 14 and a dust collection device, the isolating cover 10 is installed at the top end of the cutting equipment 1, the isolating cover 10 is provided with an opening in intercommunication at the front end, the door 11 is rotatably installed at the opening of the isolating cover 10, the second handle 12 and the lock seat 13 are both installed at the right side of the front end of the door 11, the lock catch 14 is installed at the right side of the front end of the isolating cover 10, the lock catch 14 is matched and clamped with the lock seat 13, and the dust collection device is installed at the top end of the isolating cover 10;

[0026] By setting the isolating cover 10, the door 11, the second handle 12, the lock seat 13, the lock catch 14 and the dust collection device, the metal scrap generated by cutting the plate by the cutting equipment 1 can be prevented from splashing, and the metal scrap can be limited and isolated.

[0027] As a preferred embodiment of the above, the dust collection device comprises a dust collection hood 15, a dust guide pipe 16, a filter box 17, a coarse filter screen 18, a fine filter screen 19, a first mounting plate 20, a fan 21 and a mounting device, the dust collection hood 15 is mounted at the top right side of the isolation hood 10, the input end of the dust guide pipe 16 is connected with the output end of the dust collection hood 15 through the top right side of the isolation hood 10, the output end of the dust guide pipe 16 is communicated with the right lower side of the filter box 17, the filter box 17 is mounted at the top of the isolation hood 10, the coarse filter screen 18 and the fine filter screen 19 are mounted inside the filter box 17 through the mounting device, the first mounting plate 20 is mounted on the upper left end of the filter box 17, and the fan 21 is mounted at the top of the first mounting plate 20, and the input end of the fan 21 is communicated with the upper left end of the filter box 17;

[0028] By arranging the dust collection hood 15, the dust guide pipe 16, the filter box 17, the coarse filter screen 18, the fine filter screen 19, the first mounting plate 20 and the fan 21 and the mounting device, when the fan 21 is turned on, the metal dust generated by cutting the plate material in the isolation hood 10 is guided into the filter box 17 through the dust collection hood 15 and the dust guide pipe 16, the coarse filter screen 18 and the fine filter screen 19 filter the metal dust, and the air is discharged through the fan 21, so that the metal dust generated by cutting the plate material is conveniently treated.

[0029] As a preferred embodiment of the above, the dust collection device further comprises a vibration motor 22, and the vibration motor 22 is mounted at the outer end of the material guide hopper 3.

[0030] By arranging the vibration motor 22, when the vibration motor 22 is turned on, the speed of guiding the metal scraps in the material guide hopper 3 into the collection box 4 is accelerated, and the working efficiency is improved.

[0031] As a preferred embodiment of the above, the mounting device comprises a second mounting plate 23, a third handle 24, two groups of pin plates 25, four groups of vertical plates 26, two groups of latches 27, two groups of first springs 28 and two groups of pull handles 29, the top of the filter box 17 is provided with a mounting opening, the second mounting plate 23 is cover-mounted at the mounting opening of the filter box 17, the coarse filter screen 18 and the fine filter screen 19 are both mounted at the bottom end of the second mounting plate 23, the third handle 24 is mounted at the top of the second mounting plate 23, the two groups of pin plates 25 are respectively mounted at the left side and the right side of the top of the second mounting plate 23, the four groups of vertical plates 26 are respectively mounted at the left side and the right side of the top of the filter box 17, the four groups of vertical plates 26 and the two groups of pin plates 25 are both provided with sliding holes, the two groups of latches 27 are respectively connected with the four groups of vertical plates 26 in a sliding mode, the two groups of latches 27 are respectively matched and clamped with the two groups of pin plates 25, the two groups of first springs 28 are respectively sleeved on the two groups of latches 27, one end of the two groups of first springs 28 is connected with the two groups of latches 27, the other end of the two groups of first springs 28 is connected with the inner ends of the two groups of vertical plates 26, and the two groups of pull handles 29 are respectively mounted at the top outer ends of the two groups of latches 27.

[0032] When the coarse filter screen 18 and the fine filter screen 19 need to be cleaned, the two groups of pull handles 29 are pulled to move the two groups of bolts 27 outward, and the two groups of bolts 27 are separated from the two groups of pin plates 25, and then the second mounting plate 23 is removed from the filter box 17 through the third handle 24, so that the coarse filter screen 18 and the fine filter screen 19 are disassembled, which facilitates the disassembly of the coarse filter screen 18 and the fine filter screen 19, thereby facilitating the cleaning thereof.

[0033] As a preferred embodiment of the above, four groups of shock-absorbing blocks 30, four groups of telescopic pipes 31, four groups of telescopic rods 32 and four groups of second springs 33 are further included, the four groups of shock-absorbing blocks 30 are internally provided with cavities, the four groups of legs 2 pass through the top ends of the four groups of shock-absorbing blocks 30 and extend into the cavities, the four groups of telescopic pipes 31 are installed at the bottom ends of the cavities of the four groups of shock-absorbing blocks 30, the four groups of telescopic rods 32 are in sliding connection with the four groups of telescopic pipes 31, the four groups of telescopic rods 32 are connected with the bottom ends of the four groups of legs 2, and the four groups of second springs 33 are sleeved on the four groups of telescopic rods 32.

[0034] Through the shock-absorbing blocks 30, the telescopic pipes 31, the telescopic rods 32 and the second springs 33, when the vibration motor 22 is turned on to drive the material guide hopper 3 to vibrate, the cutting equipment 1 as a whole vibrates, the four groups of legs 2 slide in the four groups of shock-absorbing blocks 30, and the four groups of legs 2 are damped by the four groups of telescopic pipes 31, the four groups of telescopic rods 32 and the four groups of second springs 33, thereby damping the cutting equipment 1.

[0035] As a preferred embodiment of the above, four groups of shock-absorbing blocks 30, four groups of telescopic pipes 31, four groups of telescopic rods 32 and four groups of second springs 33 are further included, the four groups of shock-absorbing blocks 30 are internally provided with cavities, the four groups of legs 2 pass through the top ends of the four groups of shock-absorbing blocks 30 and extend into the cavities, the four groups of telescopic pipes 31 are installed at the bottom ends of the cavities of the four groups of shock-absorbing blocks 30, the four groups of telescopic rods 32 are in sliding connection with the four groups of telescopic pipes 31, the four groups of telescopic rods 32 are connected with the bottom ends of the four groups of legs 2, and the four groups of second springs 33 are sleeved on the four groups of telescopic rods 32.

[0036] Through the shock-absorbing blocks 30, the telescopic pipes 31, the telescopic rods 32 and the second springs 33, when the vibration motor 22 is turned on to drive the material guide hopper 3 to vibrate, the cutting equipment 1 as a whole vibrates, the four groups of legs 2 slide in the four groups of shock-absorbing blocks 30, and the four groups of legs 2 are damped by the four groups of telescopic pipes 31, the four groups of telescopic rods 32 and the four groups of second springs 33, thereby damping the cutting equipment 1.

[0037] As a preferred embodiment of the above, the door 11 is provided with an observation window 35.

[0038] Through the observation window 35, the cutting of the board in the isolation cover 10 can be observed by the staff.

[0039] The utility model discloses a cutting device is used in the automobile door manufacturing with the collection of scrap, its installation mode, connecting mode or setting mode are all common mechanical mode, can be implemented as long as the beneficial effect is reached, the fan 21 and the vibration motor 22 of the cutting device for automobile door manufacturing with the collection of scrap of the utility model are purchased on the market, and the technical personnel in this industry only need to install and operate according to its attached instruction book.

[0040] The utility model discloses a cutting device is used in the automobile door manufacturing with the collection of scrap, its installation mode, connecting mode or setting mode are all common mechanical mode, can be implemented as long as the beneficial effect is reached, the fan 21 and the vibration motor 22 of the cutting device for automobile door manufacturing with the collection of scrap of the utility model are purchased on the market, and the technical personnel in this industry only need to install and operate according to its attached instruction book.

[0041] The above only is the preferred implementation of the utility model, should point out, for the ordinary technical personnel of this technical field, on the premise of not departing from the technical principle of the utility model, still can make a number of improvements and variations, these improvements and variations also should be regarded as the protection range of the utility model.

Claims

1. A cutting apparatus for manufacturing an automobile door with chipping collection, characterized by, The utility model relates to a cutting device (1), a material guide hopper (3), a collection box (4), a drawer (5), a drawer front plate (6), a first handle (7), two groups of T-shaped plates (8), two groups of T-shaped slide rails (9) and an isolation device, the cutting device (1) bottom is provided with four groups of supporting legs (2), the cutting device (1) middle part is connected with the material guide mouth, the material guide hopper (3) is installed at the cutting device (1) bottom material guide mouth, the material guide hopper (3) output end is communicated with the collection box (4) top, two groups of T-shaped slide rails (9) are installed in the collection box (4) left lower side and right lower side respectively, two groups of T-shaped plates (8) are installed in the drawer (5) left end and right end respectively, two groups of T-shaped plates (8) are connected with two groups of T-shaped slide rails (9) slidingly, the drawer front plate (6) is installed in the drawer (5) front end, the collection box (4) front end lower side is connected with the opening, the drawer (5) is located at the collection box (4) opening, the first handle (7) is installed in the drawer front plate (6) front end, and the isolation device is installed in the cutting device (1) top.

2. The cutting apparatus for manufacturing an automobile door with chipping collection according to claim 1, wherein The isolation device includes an isolation cover (10), a door (11), a second handle (12), a lock seat (13), a lock catch (14) and a dust collection device, the isolation cover (10) is installed at the cutting device (1) top, the isolation cover (10) front end is connected with the opening, the door (11) is rotatably installed at the isolation cover (10) opening, the second handle (12) and the lock seat (13) are both installed at the door (11) front end right side, the lock catch (14) is installed at the isolation cover (10) front end right side, the lock catch (14) is matched with the lock seat (13) and is clamped, and the dust collection device is installed at the isolation cover (10) top.

3. The cutting apparatus for manufacturing an automobile door with chipping collection according to claim 2, wherein The dust collection device includes a dust collection cover (15), a dust guide pipe (16), a filter box (17), a coarse filter screen (18), a fine filter screen (19), a first mounting plate (20), a fan (21) and a mounting device, the dust collection cover (15) is installed at the isolation cover (10) inner top right side, the dust guide pipe (16) input end passes through the isolation cover (10) top right side and is connected with the dust collection cover (15) output end, the dust guide pipe (16) output end is communicated with the filter box (17) right end lower side, the filter box (17) is installed at the isolation cover (10) top, the coarse filter screen (18) and the fine filter screen (19) are installed in the filter box (17) by the mounting device, the first mounting plate (20) is installed at the filter box (17) left end upper side, the fan (21) is installed at the first mounting plate (20) top, and the fan (21) input end is communicated with the filter box (17) left end upper side.

4. The cutting apparatus for manufacturing an automobile door with chipping collection according to claim 3, wherein It also includes a vibration motor (22), and the vibration motor (22) is installed at the material guide hopper (3) outer end.

5. A cutting apparatus for manufacturing an automobile door with chipping collection according to claim 4, wherein The mounting device comprises a second mounting plate (23), a third handle (24), two groups of pin plates (25), four groups of vertical plates (26), two groups of latches (27), two groups of first springs (28) and two groups of pull handles (29), the filter box (17) is provided with a mounting opening at the top end, the second mounting plate (23) is covered on the mounting opening of the filter box (17), the coarse filter screen (18) and the fine filter screen (19) are both mounted at the bottom end of the second mounting plate (23), the third handle (24) is mounted at the top end of the second mounting plate (23), the two groups of pin plates (25) are respectively mounted at the left side and the right side of the top end of the second mounting plate (23), the four groups of vertical plates (26) are respectively mounted at the left side and the right side of the top end of the filter box (17), the four groups of vertical plates (26) and the two groups of pin plates (25) are both provided with sliding holes in communication, the two groups of latches (27) are respectively connected with the four groups of vertical plates (26) in sliding mode, the two groups of latches (27) are respectively matched and clamped with the two groups of pin plates (25), the two groups of first springs (28) are respectively sleeved on the two groups of latches (27), one end of the two groups of first springs (28) is connected with the two groups of latches (27), and the other end of the two groups of first springs (28) is connected with the inner ends of the two groups of vertical plates (26) on the inner side, and the two groups of pull handles (29) are respectively mounted at the top outer ends of the two groups of latches (27).

6. A cutting apparatus for manufacturing an automobile door with chipping collection according to claim 5, wherein The mounting device further comprises four groups of shock-absorbing blocks (30), four groups of telescopic pipes (31), four groups of telescopic rods (32) and four groups of second springs (33), the four groups of shock-absorbing blocks (30) are all provided with cavities, the four groups of supporting legs (2) pass through the top ends of the four groups of shock-absorbing blocks (30) and extend into the cavities, the four groups of telescopic pipes (31) are respectively mounted at the bottom ends of the cavities of the four groups of shock-absorbing blocks (30), the four groups of telescopic rods (32) are respectively connected with the four groups of telescopic pipes (31) in sliding mode, the four groups of telescopic rods (32) are connected with the bottom ends of the four groups of supporting legs (2), and the four groups of second springs (33) are respectively sleeved on the four groups of telescopic rods (32).

7. A cutting apparatus for manufacturing an automobile door with chipping collection according to claim 6, wherein The mounting device further comprises four groups of buffer pads (34), and the four groups of buffer pads (34) are respectively mounted at the left front side, the left rear side, the right front side and the right rear side of the bottom end of the collecting box (4).

8. A cutting apparatus for manufacturing an automobile door with chipping collection according to claim 7, wherein An observation window (35) is arranged on the door (11).